black

#000000

#668FD5

#668FD5

Contrast Ratio

6.45:1

Delta E

71.81

Very Different

50:50 Mix

Color Values

Format #000000 #668FD5
HEX #000000 #668FD5
RGB 0, 0, 0 102, 143, 213
HSL 0.0, 0.0%, 0.0% 217.8, 56.9%, 61.8%
HSV 0.0, 0.0%, 0.0% 217.8, 52.1%, 83.5%
CMYK 0%, 0%, 0%, 100% 52.1%, 32.9%, 0.0%, 16.5%
OKLCH 0.0 0.0 0.0 0.6501 0.1148 260.6

Contrast & Accessibility

6.45:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #668FD5 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #668FD5

Color Difference (Delta E)

71.81 Very Different
0 — Identical 5 — Similar 25 — Noticeable 100 — Very Different

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #668FD5);
background: linear-gradient(135deg, #000000, #668FD5);

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